zhuzhuaicoding

function findPos(obj) {
  var curleft = curtop = 0, scr = obj, fixed = false;
  while ((scr = scr.parentNode) && scr != document.body) {
    curleft -= scr.scrollLeft || 0;
    curtop -= scr.scrollTop || 0;
    if (getStyle(scr, "position") == "fixed") fixed = true;
  }
  if (fixed && !window.opera) {
    var scrDist = scrollDist();
    curleft += scrDist[0];

zhuzhuaicoding

top:expression(documentElement.scrollTop + documentElement.clientHeight - this.clientHeight-85 + 'px')
http://t.163.com/


position: absolute; top: expression(((document.documentElement.scrollTop || document.body.scrollTop) + (document.documentElement.clientHeight || document.body.clientHeight) - this.offsetHeight) + "px");

http://www.seabreezecomputers.com/tips/fixed-div.htm

_top: expression(eval(document.compatMode && document.compatMode=='CSS1Compat') 
	 ? documentElement.scrollTop +(documentElement.clientHeight-this.clientHeight) 

zhuzhuaicoding

(function(util) {

  var toString = Object.prototype.toString;
  var AP = Array.prototype;


  util.isString = function(val) {
    return toString.call(val) === '[object String]';
  };

zhuzhuaicoding

// Function to get the amount of pixels scrolled
//    Copied from the Internet
function getScrollXY() {
   var scrOfX = 0, scrOfY = 0;
   if( typeof( window.pageYOffset ) == 'number' ) {
     //Netscape compliant
     scrOfY = window.pageYOffset;
     scrOfX = window.pageXOffset;
   } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
     //DOM compliant

zhuzhuaicoding

function queue(name){
	queue.q[name]++ || (queue.q[name] = 1);
	return function(err){
		if (err && queue.e[name]) queue.e[name](err);
		else if (err) throw err;
		process.nextTick(function(){
			queue.q[name]--;
			queue.check(name);
		});
	}

zhuzhuaicoding

var isnan = /^(NaN|-?Infinity)$/;
function isNumeric(num) {
    return !isnan.test(+num);
}

zhuzhuaicoding

function is(o, type) {
    type = String(type).toLowerCase();
    return  (type == "null" && o === null) ||
            (type == typeof o) ||
            (type == "object" && o === Object(o)) ||
            (type == "array" && Array.isArray && Array.isArray(o)) ||
            Object.prototype.toString.call(o).slice(8, -1).toLowerCase() == type;
}

is(function(){}, "object"); // true

zhuzhuaicoding

var addEvent=(function(){
    if(document.addEventListener){
        return function(el,type,fn){
            if(el.length){
                for(var i=0;i<el.length;i++){
                    addEvent(el[i],type,fn);
                }
            }else{
                el.addEventListener(type,fn,false);
            }

zhuzhuaicoding

function addEvent(elm, evType, fn, useCapture) {
  if (elm.addEventListener) {
    elm.addEventListener(evType, fn, useCapture);//DOM2.0
    return true;
  }
  else if (elm.attachEvent) {
    var r = elm.attachEvent('on' + evType, fn);//IE5+
    return r;
  }
  else {

zhuzhuaicoding

/*
	Example call of the function:
	
	getStyle(document.getElementById("container"), "font-size");
*/

// The regular version
function getStyle(oElm, strCssRule){
	var strValue = "";
	if(document.defaultView && document.defaultView.getComputedStyle){